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I think i might be going crazy or this may have been discussed before.. but I just got upgraded to the new 11-speed dura ace and I put my Enve wheelset on that still has a campy cassette and the shifting works really well! Am I missing something?

The spacing between cogs on Shimano/SRAM and Campagnolo has always been the same if the cassette is the same speed.

Back in 10spd world, you could have used a Shimano/SRAM or Campagnolo 10-spd cassette with any 10-spd drivetrain system. How do you think those neutral support vehicles could just throw on any wheel and make it work? (Before the transitions of 11-spd started taking place)

The differences are only in the freehub splines, and the compatibility of shifter-to-derailleur. In the analog, there wasn't any noticeable incompatibility of shifter-to-front-derailleur, but now that Shimano and Campagnolo have both gone electronic, the incompatibilities are regardless of derailleur.

10 speed cassettes spacing are not the same Shimano/SRAM = 3.95mm, Campagnolo 4.12mm e.g. Shimano/SRAM cassette on a Campag drivetrainCenter the chain exactly on 5th cog (best case) then shift to 10th cog the .17mm difference in spacing accumulates to .85mm overshift or about 22% error center the chain on the 1st cog and it would over shift by 1.53mm 40% out, might shift but far from ideal.Shimano/Campag 11 speed cassette spacing is close enough not to make any difference.

@nismosr yes, test rode a 12-25 d/a 9000 on a full super record build today, was flawless barring one thing -the chain was catching the shift pins when in the small/small combo, though I think that may have been more a product of the wheel change/cassette position.

What about wheel dishing? My zipp 303 was sent back to the factory for 11 speed hub upgrade because they need to redish the wheels, and I have to buy a new Campy free hub body to work with the reddished wheel.

coolmingli wrote:What about wheel dishing? My zipp 303 was sent back to the factory for 11 speed hub upgrade because they need to redish the wheels, and I have to buy a new Campy free hub body to work with the reddished wheel.

Don't understand this one at all.

Campy 11 spd cassettes work on 9 and 10spd freehubs just fine.

There's sometimes a buggy.How many drivers does a buggy have?

One.

So let's just say I'm drivin' this buggy...and if you fix your attitude you can ride along with me.

coolmingli wrote:What about wheel dishing? My zipp 303 was sent back to the factory for 11 speed hub upgrade because they need to redish the wheels, and I have to buy a new Campy free hub body to work with the reddished wheel.

How about a new brain?

I have a Proton wheelset bought in 2002. An 11spd cassette jams into the spokes: it plain doesn't fit. I suspect I need a new freehub